Home / 1,988,480.08-2,743,229.64-1,343,665.36

Finding the Fourth Proportional to 1,988,480.08, 2,743,229.64 and 1,343,665.36

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Solution

The fourth proportional to 1,988,480.08, 2,743,229.64 and 1,343,665.36 is: 1,853,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,480.08 : 2,743,229.64 = 1,343,665.36 : x
  2. Step 2: Convert to fraction form
    1,988,480.08/2,743,229.64 = 1,343,665.36/x
  3. Step 3: Cross multiply
    1,988,480.08x = 2,743,229.64 × 1,343,665.36
  4. Step 4: Simplify right side
    1,988,480.08x = 3,685,982,641,793.27
  5. Step 5: Solve for x
    x = 3,685,982,641,793.27/1,988,480.08
  6. Step 6: Final answer
    x = 1,853,668.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.